“Sauce” Gonzalez and the Westside Sound Trio will play at 7 p.m. at Just Wing It, 7161 U.S. 90 W. No cover.

Annual Birdathon takes place at Mitchell Lake Audubon Center at 8 a.m. and continues through Sunday at 4:40 p.m. Count bird species and collect pledges from family, friends and co-workers to raise funds for habitat and education programming at the center. For more information, call 628-1639 or visit www.mitchelllake.audubon.org

King William Fair, an official Fiesta event, is 9 a.m.-6 p.m. along King William and Madison streets between Guenther and South St. Mary's and Cesar Chavez streets. Kicks off with parade at 9 a.m. See story, page 9. Admission: $10 adults, free for children 15-under. Visit: http://kwfair.org.

“Out of Darkness” depression support group meets 7 p.m.-8:15 p.m. every Tuesday at Mayfield Park Baptist Church, 700 W. Hutchins Place. Sessions are ongoing for those who need both short- and long-term support. Contact 923-2241.

UPCOMING

A panel discussion on reviving the labor movement will be held at 11 a.m. May 3 at the Mission Branch Library, 3134 Roosevelt Ave. This event is free. For more info call Pancho Valdez at 422-8000.

St. Margaret Mary Church Festival is 11 a.m.-9:30 p.m. May 3 at Comanche Park No. 2, 2600 Rigby Ave. There will be bingo, a rummage sale and plenty of food, including barbecue plates with the trimmings. There also will be a cake/pie contest; entry fee is $15. Live music with Lobos IV and Los Tovares. Contact: Annette Sanchez 533-8861